Author: Ajoy Khaund
Posted: 2008-11-11 at 01:43:37
Hi
I have field which can be empty else it must be unique. Can I create =
such a index which will throw an error.
TIA
Ajoy Khaund
Neamati Road
Near Bhogdoi Bridge
Jorhat 785001-21
Assam, India
Tel: 91-376-2351288
Cell: 91-94350-92287
Mail: akhaund@hotmail.com
Mail: akhaund@gmail.com
"Walking on water and developing software from a specification are easy =
if
both are frozen."
- Edward V. Berard, "Life-Cycle Approaches"
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